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Very quality copy of original service manual, which contains the circuit diagrams, PCB and lists of components, well as recommendation for calibration procedures of device, also everything else, that need for repair, tuning and use this oscilloscope.
All presented copies have high-resolution, so you can view all in detail.
This manual will very useful for simple owners and for repairers.
I recommend these manual, because myself is owner of Philips PM3216 and I need sometimes servicing these oscilloscope (principally calibrating).
Also, these document is an example of excellent design of technical documentation.
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
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manual excelente completo , diagramas y esquemas bien presentados y buena calidad de imagen.
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muy buen manual completo de buena calidad de impresion preciso y detallado , muy útil para la reparación.
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The service manual is a good quality scan of the Panasonic NV-850, which is electrically identical to the Philips VR 6920, but mecanically just nearly.
ELECTRICAL ADJUSTMENTS
2-15: H. BLANKING (4:3) 1. Receive the monoscope pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Change the wide screen mode to 4:3. 4. Adjust VR840 until the difference of A and B becomes minimum. (Refer to Fig. 2-5) 2-20: VERTICAL SIZE (FULL) 1. Receive the monoscope pattern. 2. Change the wide screen mode to FULL. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (47) on the remote control to select "VS FULL". 5. Press the LEFT/RIGHT button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 8 ± 2%. 2-21: HORIZONTAL SIZE (FULL) 1. Receive the monoscope pattern. 2. Change the wide screen mode to FULL. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (48) on the remote control to select "HS FULL". 5. Press the LEFT/RIGHT button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes 11 ± 2%. 2-22: PC (FULL) 1. Receive the monoscope pattern. 2. Change the wide screen mode to FULL. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (49) on the remote control to select "PC FULL". 5. Press the LEFT/RIGHT button on the remote control until the both ends of the vertical lines are straight. 2-23: CC (FULL) 1. Receive the monoscope pattern. 2. Change the wide screen mode to FULL. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (50) on the remote control to select "CC FULL". 5. Press the LEFT/RIGHT button on the remote control until the horizontal line of the monoscope pattern comes to approximate center of the CRT. 2-24: VERTICAL SIZE (CINEMA) 1. Receive the monoscope pattern. 2. Change the wide screen mode to CINEMA. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (54) on the remote control to select "VS CINEMA". 5. Press the LEFT/RIGHT button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 20 ± 2%.
A
B
Fig. 2-5
2-16: VERTICAL SIZE (4:3) 1. Receive the monoscope pattern. 2. Change the wide screen mode to 4:3. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (40) on the remote control to select "VS 4:3". 5. Press the LEFT/RIGHT button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 8 ± 2%. 2-17: HORIZONTAL SIZE (4:3) 1. Receive the monoscope pattern. 2. Change the wide screen mode to 4:3. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (41) on the remote control to select "HS 4:3". 5. Press the LEFT/RIGHT button on the remote control until the picture size is 440 ± 5mm. 2-18: PC (4:3) 1. Receive the monoscope pattern. 2. Change the wide screen mode to 4:3. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (42) on the remote control to select "PC 4:3". 5. Press the LEFT/RIGHT button on the remote control until the both ends of the vertical lines are straight. 2-19: CC (4:3) 1. Receive the monoscope pattern. 2. Change the wide screen mode to 4:3. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (43) on the remote control to select "CC 4:3". 5. Press the LEFT/RIGHT button on the remote control until the horizontal line of the monoscope pattern comes to approximate center of the CRT. D3-4
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